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Product description

The secret is out – cheerleader Olivia and vampire Ivy are twins! Now that the sisters have told their friends, it’s time to come clean to their adoptive parents. But Ivy’s dad doesn’t want to meet Olivia! Even worse, when the vampire officials realise that Olivia knows the truth about vampires, they demand that she pass three tests to prove she can be trusted. But these aren’t any old tests, and they’re guaranteed to get the blood pumping. Yikes! One thing’s for sure – if the sisters can get through this, they can get through anything! The third fangtastically funny tale in a bestselling series.

What kids think

mysisterthevampire1on 25 October 2015

mrunuon 25 February 2015

I loved this book very much and read it with all my heart and if she does not pass these 3 tests then all of her memories about(her twin sister) Ivy will be gone away forever!!!

Potterfan7on 9 March 2014

they surely have a great bond of being very different and vivid twins. olivia and ivy make ways of getting into the centre of trouble!!

5out of 5

AngelofDeathon 8 March 2014

Amazing

oliviaivyon 17 February 2014

it is really good .i liked it

5out of 5

AnonymousKid2100on 3 February 2013

Olivia and Ivy, twin sisters, have to pass the blood oath

5out of 5

Felineartchibion 2 December 2012

well this its one of the best books tat I read in all my life and this book its a amazing and yhats how sienna mercer was my fave author.

4out of 5

Rose-Fell123on 23 November 2012

Love it!! It us the best ‘my sister the vampire’ book I have read so far!! READ IT!!! IT’S GREAT!!

lap312ion 14 November 2012

I just love this book.. It is the book i ever read… :)

5out of 5

nikole2on 8 November 2012

i loved it i have read evry single one amazing

5out of 5

millymolly4on 9 October 2012

it is the best my sister the vampire book I have had well the firs but it is my Favourite so far I am really glad that Olivia passed the tests that she had to do the night and morning she slept at Ivy’s house and Olivia thought she wouldn’t pass the tests but she did also it was very sad for Ivy when her father said to Ivy that he was going to Europe and Olivia and Ivy was both sad when Ivy mentioned this to Olivia.

5out of 5

sweethart184on 7 March 2012

this book is great

svjimmyon 2 March 2012

I absoutlutely loved this book.On world book day I dressed up as Ivy and it as SOOOOO fun! I think everyone should know about these books.

cookiemonsta3202on 1 March 2012

It was a really great book. I love the series <3 !

5out of 5

Daydreamer1094on 10 January 2012

I haven’t read this book but would love too!

vampiresinger12on 18 July 2011

I Agree with VampireSinger ! shes just like my we both love my sister the vampire and vampire stuff O.O well i hope people can read this series because its awsome!

5out of 5

VampireSingeron 28 January 2011

This book was amazing! It is very heart touch and is so exciting! I could not stop reading it until I finished. At the end, there is a big surprise of who is Olivia’s and Ivy’s Dad is, but I won’t tell until you read it! Everbody should read this amazing, fantastic, and vampire exciting book!

5out of 5

Book-Club-Review-Teamon 18 October 2010

My favourite character is Ivy because I like her Goth character but my decision did change in about chapter 8 when Ivy wanted to break into ASHH and then when she decided to have a look around her fathers study. I was quite happy when Ivy and Olivia eventually found out that Mr Vega was their father.

GEORGIA, AGE 10

5out of 5

alicia99on 16 October 2010

The reason I picked this up was coz its bout vampires ! n i love vampires coz of twilight,new moon & eclipse!!!!!love dis book reccomend it to every1!!!!!!

demi7on 17 August 2010

this is really good book recomed this to any one!

5out of 5

angelsasaon 26 July 2010

This book was awesome.I keep reading it.

5out of 5

Be5thon 1 March 2010

This book is really good it is about 2 girls that find out they are sisters.

5out of 5

AnnabethCon 3 February 2010

This is such a great book..
Ivy Vega is my Favorite charactor.

5out of 5

CelineRon 24 October 2009

I loved this book, I read this book as soon as I got it!! I’ve read this book about 6 times in 2 days.

5out of 5

fairyivyon 13 August 2009

I loved reading this book, i read it over and over again! I’ve started collecting them and all i need bnow is the last one! =( i don’t this series to end.